# Jan Hartong

> Dutch chess composer (1902–1987)

**Wikidata**: [Q3806888](https://www.wikidata.org/wiki/Q3806888)  
**Source**: https://4ort.xyz/entity/jan-hartong


## References

1. general catalog of BnF
2. Virtual International Authority File
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. BnF authorities
5. Handbook of Chess Composition